56237538 has 32 divisors (see below), whose sum is σ = 130360320. Its totient is φ = 15840720.

The previous prime is 56237509. The next prime is 56237539. The reversal of 56237538 is 83573265.

It is a junction number, because it is equal to n+sod(n) for n = 56237496 and 56237505.

It is not an unprimeable number, because it can be changed into a prime (56237539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6448 + ... + 12411.

It is an arithmetic number, because the mean of its divisors is an integer number (4073760).

Almost surely, 2^56237538 is an apocalyptic number.

56237538 is an abundant number, since it is smaller than the sum of its proper divisors (74122782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56237538 is a wasteful number, since it uses less digits than its factorization.

56237538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18942.

The product of its digits is 151200, while the sum is 39.

The square root of 56237538 is about 7499.1691539797. The cubic root of 56237538 is about 383.1264185569.

The spelling of 56237538 in words is "fifty-six million, two hundred thirty-seven thousand, five hundred thirty-eight".